Retail model
SD4A425DB-HNY
ASM and Dahua and Sveistrup lists 5 firmware files for the SD4A425DB-HNY. This is the retail model name. Inside the firmware, Dahua uses its own device IDs, listed below, which can lead you to more compatible firmware.
- Firmware files
- 5
- Newest
- Apr 29, 2026
- Listed by
- ASM, Dahua, Sveistrup
- Dahua device IDs
- 40
Vendor notes
- An earlier build still on Dahua's download server after the download center replaced it
- Folder: kamerove_systemy/Firmware/SD4A425DB-HNY
Firmware
- DH_SD-Gauss_MultiLang_PN_Stream3_V3.201.0000007.1.R.260413.zipDownload
Released Apr 29, 2026 · V3.201.0000007.1.R · 38 devices · Dahua
- General_SD4AXXX-HN_MCU_V2.401.0000003.19.R.260123.zipDownload
Released Mar 25, 2026 · V2.401.0000003.19.R · 2 devices · Dahua
- DH_SD-Gauss_MultiLang_PN_Stream3_V3.201.0000007.0.R.260129.zipDownload
Released Jan 29, 2026 · V3.201.0000007.0.R · 38 devices · Dahua
- DH_SD-Gauss_MultiLang_PN_Stream3_V3.200.0000008.0.R.240312.binDownload
Released Mar 12, 2024 · V3.200.0000008.0.R · 32 devices · Dahua, Sveistrup
- DH_SD-Gauss_MultiLang_PN_Stream3_V2.821.0000006.1.R.230316 (1).zipDownload
Released Mar 16, 2023 · V2.821.0000006.1.R · 12 devices · ASM
Dahua device IDs in this firmware
Compare these with the updateSerial your device reports. Each one links to every firmware found for that ID.
- CA-HZ2016DB-A
- CA-HZ2020DB-A
- CA-HZ2023DB-A
- CA-HZ2023DB-B
- CA-HZ2023DB2-A
- CA-HZ2025DB-A
- CA-HZ2032DB-A
- CA-HZ2032DB-B
- CA-HZ2032DB1-A
- CA-HZ2032DB1-B
- CA-HZ2040DB-A
- CA-HZ4023DB-A
- CA-HZ4023DB1-A
- CA-HZ4025DB-A
- CA-HZ4032DB-A
- CA-HZ4032DB1-A
- CA-HZ4040DB-A
- SD-MT3A2004DB-A
- SD-MT3A4000DA-A
- SD-MT3A4000DA-B
- SD-MT3A4004DB-B
- SD-MT3A4004DB-C
- SD3A2004DB-A
- SD3A4004DB-A
- SD3A4004DB-B
- SD3C3005DB-A
- SD49216DB-A
- SD49225DB-A
- SD49405DB-A
- SD49423DB-A
- SD49425DB-A
- SD49425DB1-A
- SD6C3223DB-A
- SD6C3223DB2-A
- SD6C3223DB4-A
- SD6C3423DB-A
- SD6C3423DB1-A
- SD6C3423DB2-A
- IPC-HX3XXX
- SD6XXX